* In each spectrum, <= 2 missing channels are filled by linear interpolation. In each spatial
plane, single missing pixels are filled by linear interpolation, first in l direction, then b.
The survey was conducted with the 100 kHz filterbank on the southern telescope, providing a velocity resolution of 0.26 km/s and velocity coverage of 67
km/s, more than adequate for the Ophiuchus region.
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